1101001055 has 16 divisors (see below), whose sum is σ = 1647212544. Its totient is φ = 686338080.

The previous prime is 1101001049. The next prime is 1101001067. The reversal of 1101001055 is 5501001011.

It is not a de Polignac number, because 1101001055 - 2⁸ = 1101000799 is a prime.

It is a super-2 number, since 2×1101001055² = 2424406646222226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429487 + ... + 1430256.

It is an arithmetic number, because the mean of its divisors is an integer number (102950784).

Almost surely, 2^1101001055 is an apocalyptic number.

1101001055 is a deficient number, since it is larger than the sum of its proper divisors (546211489).

1101001055 is a wasteful number, since it uses less digits than its factorization.

1101001055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859766.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 1101001055 is about 33181.3359435692. The cubic root of 1101001055 is about 1032.5931626857.

Adding to 1101001055 its reverse (5501001011), we get a palindrome (6602002066).

The spelling of 1101001055 in words is "one billion, one hundred one million, one thousand, fifty-five".